Home / 19,879.25-27,433.43-10,927.67

Finding the Fourth Proportional to 19,879.25, 27,433.43 and 10,927.67

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Solution

The fourth proportional to 19,879.25, 27,433.43 and 10,927.67 is: 15,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.25 : 27,433.43 = 10,927.67 : x
  2. Step 2: Convert to fraction form
    19,879.25/27,433.43 = 10,927.67/x
  3. Step 3: Cross multiply
    19,879.25x = 27,433.43 × 10,927.67
  4. Step 4: Simplify right side
    19,879.25x = 299,783,278.20
  5. Step 5: Solve for x
    x = 299,783,278.20/19,879.25
  6. Step 6: Final answer
    x = 15,080.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.